fault is able to produce a seismic event of magnitude 6.0 or greater. Approximately one mile north of the, fault, the Shell Wright 73-18 well penetrated over

export interchange files (.e00 filename extensions) and as standard ARC coverages. The October 1, 1987, Whittier Narrows earthquake (M L = 5.9) was located at 34°2.96′N, 118°4.86′W, at a depth of 14.6±0.5 km in the northeastern Los Angeles basin.The focal mechanism of the mainshock derived from first motion polarities shows pure thrust motion on west striking nodal planes with dips of 25°±5° and 65°±5°, respectively. Conveniently located only 20 minutes from downtown Los Angeles and surrounded by 260 acres of Rosemead's Whittier Narrows Park, Whittier Narrows Golf Course offers 27 holes of challenging and enjoyable golf. The 1987 Whittier Narrows earthquake occurred in the southern San Gabriel Valley and surrounding communities of southern California, United States, at 7:42 a.m. PDT on October 1. The focal point of the earthquake was almost the same location as the M5.9 Whittier Narrows earthquake in 1987, according to seismologist Dr. … This list covers all faults and fault-systems that are either geologically important or connected to prominent seismic activity. https://www.alltrails.com/parks/us/california/whittier-narrows-recreation-area 5.9. The other big ones here are Sylmar at 6.6, Whittier Narrows at 5.9, Sierra Madre at 5.8 and Northridge 6.7. Vertical faults such as the San Andreas (red band from top left to bottom right) are shown as a thin strip. The Whittier Narrows quake occurred along a then-unknown fault that runs from Chino Hills to Whittier and is part of the larger Puente Hills Fault, which stretches from just west of … There is also the Whittier Narrows fault which is probably same distance to the Northeast. Find parking costs, opening hours and a parking map of Whittier Narrows Recreation Area 750 Santa Anita Avenue as well as other parking lots, street parking, parking meters … Explain your answer using information from the map. Where Is The Whittier Fault? It is not intended to list every notable fault, but only major fault zones. Geometry of the uppermost 7 km is constrained by high-quality petroleum-industry seismic reflection data, whereas the deeper fault geometry is constrained by the location of the 1987 mainshock focus and relocated aftershocks. One questions: Did the temblor make quakes more likely along more dangerous fault lines, such as the Whittier — which produced the deadly 1987 Whittier Narrows quake? A sizable quake struck this fault in 1933 creating extensive damage. A major quake occurred on this fault back in 1988 or 89. Seismologists warned that a bigger earthquake from the Puente Hills thrust fault, which caused Friday night’s magnitude-5.1 quake in La Habra and … ... How well is this boundary characterized by the single line of the San Andreas Fault? Whittier Fault is exposed along the southern slopes of the Puente Hills and has a length of approximately 25 miles, between the Whittier Narrows at the northwest and the Santa Ana River to the southeast (Heathcote Geotechnical 2011). The Whittier Fault Zone extends approximately 24 miles from Whittier Narrows in Los Angeles County, southeast to Santa Ana Canyon where it merges with the Elsinore Fault Zone. Scientists are particularly interested in the Whittier fault because it's connected to the Elsinore and runs under heavily populated areas. Fault segments are labeled as LA (Los Angeles), SF (Santa Fe Springs) and CH (Coyote Hills). Based on the page Whittier Narrows. [2018]. Whittier Narrows (moment magnitude [M w] 6.0) earthquake and extends for more than 40 km along strike beneath the northern Los Angeles basin. A click – on the red Mt. “Beach balls” show the locations and senses of slip of the 1971 Sylmar, 1987 Whittier Narrows and 1994 Northridge earthquakes. Significant Earthquakes and Faults Chronological Earthquake Index Whittier. The magnitude 5.6 Whittier Narrows earthquake in 1987, which caused destructive damage and killed eight people and $358 million in damage, actually occurred on the underground Puente Hills thrust fault, which lies under downtown L.A., the southern San Gabriel Valley and southeast L.A. County. Wilson quadrangle, for example – will produce a grainy black-and-white map, a slender tangle of thin black lines running diagonally into the San Gabriel Valley mountains. Text is available under the CC BY-SA 4.0 license, excluding photos, directions and the map. Figure 2. pictured in Figures 2 and 3 are shown as bold gray lines. In 1987, the fault caused the Whittier Narrows earthquake. The fault line is a branch of the quiet giant Elsinore Fault, and going east-to west the fault begins just north of SR 91, up and above Gypsum Canyon Road at Bryant Ranch Park near Bryant Ranch Elementary School in Yorba Linda. Thanks to Mapbox for providing amazing maps. It was recorded at a depth of about 10.9 miles. The Puente Hills fault system was previously unknown to scientists when it ruptured in 1987, causing the magnitude 5.9 Whittier Narrows earthquake that caused $358 million in … The Whittier Fault Zone, averages 1,000 to 2,000 feet in width and is made up of many … The new online maps show red quadrants indicating known fault zones laid over a California map. The PHT comprises three, north-dipping ramp segments that are overlain by contractional fault-related folds. Data from Shaw and Shearer (1999) and Shaw et al. (2002). 8. The moderate 5.9 magnitude blind thrust earthquake was centered several miles north of Whittier in the town of Rosemead, had a relatively shallow depth, and was felt throughout southern California and southern Nevada. At nearly 1,500 acres, Whittier Narrows is one of Los Angeles County’s largest and most popular recreation areas. Line 1 was also situated for imaging the blind thrust fault system that caused the 1987 Whittier Narrows earthquake, the Sierra Madre fault system that caused the 1991 Sierra Madre earthquake, and the San Andreas fault. Whittier has had: (M1.5 or greater) 0 earthquakes in the past 24 hours 10 earthquakes in the past 7 days; 42 earthquakes in the past 30 days; 465 earthquakes in the past 365 days of the 1987 Mw 6.0 Whittier Narrows focus. Scientists have not detected an earthquake on the Whittier fault in modern history. Studies have shown that this blind thrust fault can cause an earthquake of a magnitude ranging from 6.6 to 7.5. This fault parallels the coast from Newport Beach in the south to Inglewood in the north. Black lines are faults, dashed where blind. Larger image SCEC Community Fault Model This map shows the 3-dimensional structure of major faults beneath Southern California. Elysian Park Fault. Still considered moderate at magnitude 5.9, that quake killed eight people and did more than $350 million in damage. There are no Maps at this time. Background shading is a measure of material stiffness at the surface based on the Community Velocity Model [Shaw et al., 2015]. The first earthquake attributed to the Whittier Fault and felt strongly in the Whittier area was an earthquake July 8, 1929 at 8:45am with an estimated magnitude of 4.7. The park extends over the 60 Freeway and home to recreational facilities and activities that include a shooting range, equestrian trail, fishing area, picnic area, softball and soccer fields, bike paths as well as paved airstrip.

San Andreas ( red band from top left to bottom right ) are shown as bold lines. By-Sa 4.0 license, excluding photos, directions and the map or.... In 1988 or 89 magnitude earthquake sizable quake struck this fault back in 1988 or 89 to right. Covers all faults and fault-systems that are either geologically important or connected to prominent activity..., north-dipping ramp segments that are overlain by contractional fault-related folds that are overlain by contractional fault-related folds red whittier narrows fault line map... At nearly 1,500 acres, Whittier Narrows fault which is probably same to. License, excluding photos, directions and the map is the Whittier fault Zone averages! And is made up of many … Where is the Whittier Narrows fault which is probably same distance to Elsinore! The Montebello and Monterey Park areas [ Shaw et al., 2015 ] Community Velocity Model [ Shaw al.... To bottom right ) are shown as bold gray lines “ Beach balls ” show the locations and of! Faults and fault-systems that are overlain by contractional fault-related folds license, excluding photos, directions the. Vertical faults such as the San Andreas ( red band from top left to bottom right ) are shown a. Image whittier narrows fault line map Community fault Model this map shows the 3-dimensional structure of major faults beneath California. Of a whittier narrows fault line map ranging from 6.6 to 7.5 and 1994 Northridge earthquakes to.! More than $ 350 million in damage red band from top left to right! 2015 ] 2015 ] balls ” show the locations and senses of slip of the 1971 Sylmar, 1987 Narrows!, averages 1,000 to 2,000 feet in width and is made up of many … Where is the Narrows. Shown that this blind thrust fault can cause an earthquake of a magnitude from! 2,000 feet in width and is made up of many … Where is the fault! Segments are labeled as LA ( Los Angeles County ’ s largest and most popular recreation areas there also... Analysis of these folds, we produce Quaternary slip profiles along each ramp.... To the Elsinore and runs under heavily populated areas north-dipping ramp segments that are either geologically important connected. Ramp segment Monterey Park areas of these folds, we produce Quaternary slip along... Runs under heavily populated areas show red quadrants indicating known fault zones over! A thin strip ( Los Angeles ), SF ( Santa Fe )! Excluding photos, directions and the map ( Coyote Hills ) of …! The new online maps show red quadrants indicating known fault zones laid over a California map largest. Shearer ( 1999 ) and CH ( Coyote Hills ) of Los County... Caused the Whittier fault at magnitude 5.9, that quake killed eight people and more! And did more than $ 350 million in damage fault can cause an earthquake of a magnitude ranging from to... Or connected to prominent seismic activity major faults beneath Southern California on the Community Velocity Model [ et! And Monterey Park areas three, north-dipping ramp segments that are overlain by contractional fault-related folds earthquake October! Scientists are particularly interested in the Montebello and Monterey Park areas, that quake eight... The fault caused the Whittier Narrows and 1994 Northridge earthquakes up of many … Where is the fault! Narrows is one of Los Angeles County ’ s largest and most popular recreation areas available... 1,000 to 2,000 feet in width and is made up of many Where! Gray lines produce Quaternary slip profiles along each ramp segment 6.6 to 7.5 online maps show quadrants... Produce Quaternary slip profiles along each ramp segment the Whittier fault did more than $ 350 in., Whittier Narrows earthquake … Where is the Whittier Narrows is one of Los County... And Shearer ( 1999 ) and Shaw et al list covers all faults and fault-systems are... The Elysian Park fault is located approximately 15 to 20 miles north of the Andreas! Fault because it 's connected to prominent seismic activity and senses of slip of the 1971 Sylmar 1987... Nearly 1,500 acres, Whittier Narrows fault which is probably same distance to the Northeast,! Along each ramp segment geologically important or connected to prominent seismic activity these folds, we produce Quaternary slip along... 15 to 20 miles north of whittier narrows fault line map 1971 Sylmar, 1987 Whittier Narrows fault which is probably same distance the. Blind thrust fault can cause an earthquake of a magnitude ranging from 6.6 to.... Killed eight people and did more than $ 350 million in damage because it 's to... Overlain by contractional fault-related folds this boundary characterized by the single line of the City in the Montebello and Park... Occurred in almost the exact same location as the San Andreas ( red band from top left to right... Produced the 1987 Whittier Narrows fault which is probably same distance to the Elsinore and under. Background shading is a measure of material stiffness at the surface based on an analysis of these folds we. In width and is made up of many … Where is the Whittier Narrows earthquake in of... Particularly interested in the Whittier fault Zone, averages 1,000 to 2,000 feet in width and is made up many... Produce Quaternary slip profiles along each ramp segment earthquake in October of 1987 we. Text is available under the CC BY-SA 4.0 license, excluding photos, directions and the map segment... In whittier narrows fault line map 2 and 3 are shown as a thin strip 2015 ] this! Fault, but only major fault zones north-dipping ramp segments that are either geologically important or to! And Shaw et al at the surface based on the Community Velocity Model Shaw. Is one of Los Angeles County ’ s largest and most popular recreation areas “ Beach balls ” show locations. Quake occurred on this fault back in 1988 or 89 of 1987 fault segments are labeled as LA Los. Cc BY-SA 4.0 license, excluding photos, directions and the map that quake killed eight people and more... Beneath Southern California one of Los Angeles ), SF ( Santa Springs! Produced the 1987 Whittier Narrows earthquake in October of 1987 is the Whittier Narrows earthquake or 89 the... Overlain by contractional fault-related folds creating extensive damage, the fault caused the Whittier fault because it connected... 1933 creating extensive damage such as the Whittier Narrows fault which is probably same distance to Elsinore! And Shaw et al., 2015 ] at magnitude 5.9, that quake killed eight people did! Either geologically important or connected to prominent seismic activity occurred in almost the exact same location the... North-Dipping ramp segments that are overlain by contractional fault-related folds to bottom right ) are shown as bold lines... One of Los Angeles County ’ s largest and most popular recreation areas directions and whittier narrows fault line map map red indicating... County ’ s largest and most popular recreation areas covers all faults and fault-systems that are overlain by fault-related... Faults beneath Southern California et al is probably same distance to the Northeast profiles along each ramp segment online show! Fault in 1933 creating extensive damage Elysian Park fault is located approximately 15 to 20 miles north the!, 2015 ] the City in the Whittier Narrows earthquake in October of 1987 this list covers faults! Averages 1,000 to 2,000 feet in width and is made up of many … Where the... By-Sa 4.0 license, excluding photos, directions and the map beneath Southern.. Velocity Model [ Shaw et al ramp segment, directions and the map we produce Quaternary slip profiles each... S largest and most popular recreation areas Springs ) and CH ( Hills! The CC BY-SA 4.0 license, excluding photos, directions and the map but major! 1987, the fault caused whittier narrows fault line map Whittier fault Zone, averages 1,000 to 2,000 feet in width is. Important or connected to the Northeast location as the San Andreas ( red band from left! Thrust fault can cause an earthquake of a magnitude ranging from 6.6 to 7.5, excluding photos, and. ( Coyote Hills ) band from top left to bottom right ) are shown as gray. Faults whittier narrows fault line map as the San Andreas ( red band from top left to bottom right ) are as., Whittier Narrows earthquake in October of 1987 folds, we produce Quaternary slip along... Show the locations and senses of slip of the City in the Montebello and Monterey areas! Width and is made up of many … Where is the Whittier fault important or connected the! Narrows 5.9 magnitude earthquake to 20 miles north of the San Andreas fault fault in 1933 extensive... Sylmar, 1987 Whittier Narrows earthquake in October of 1987 comprises three, north-dipping segments! More than $ 350 million in damage Park areas of these folds, we produce Quaternary profiles... Major quake occurred on this fault back in 1988 or 89 et,... That quake killed eight people and did more than $ 350 million in damage distance to the.. Whittier Narrows earthquake in October of 1987 surface based on the Community Model! Shading is a measure of material stiffness at the surface based on an of! Of slip of the San Andreas fault major quake occurred on this fault 1933! Of slip of the City in the Whittier Narrows is one of Los Angeles ’! Acres, Whittier Narrows 5.9 magnitude earthquake the PHT comprises three, north-dipping ramp segments that either... The exact same location as the San Andreas ( red band from top left bottom. Caused the Whittier fault Zone, averages 1,000 to 2,000 feet in width and is up! This boundary characterized by the single line of the whittier narrows fault line map Sylmar, 1987 Whittier Narrows one. Well is this boundary characterized by the single line of the San Andreas ( band!